package com.didispace.chapter44.resources;

import com.didispace.chapter44.PathManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * 通用配置
 */
@Configuration
public class ResourcesConfig implements WebMvcConfigurer
{
    public static final String RESOURCE_PREFIX = "/profile";

    private final PathManager pathManager;

    public ResourcesConfig(PathManager pathManager) {
        this.pathManager = pathManager;
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry)
    {
        registry.addResourceHandler(RESOURCE_PREFIX + "/**").addResourceLocations("file:" + pathManager.getPath() + "/");
    }

    /**
     * 跨域配置
     */
    @Bean
    public CorsFilter corsFilter()
    {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        // 设置访问源地址
        config.addAllowedOrigin("*");
        // 设置访问源请求头
        config.addAllowedHeader("*");
        // 设置访问源请求方法
        config.addAllowedMethod("*");
        // 对接口配置跨域设置
        source.registerCorsConfiguration("/**", config);
        return new CorsFilter(source);
    }
}